Dual CDC with STM32_USB-FS-Device_Lib_V4.0.0

Hello,Is there anybody who have Dual CDC keil project with usb library v4.0.0?I have dual cdc example v3.1.1 but it have a bug when send data usart to usb.I tried to change v4.0.0 to dual myself by help of this [DEAD LINK /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Multiple%20USB%20CDC%20%28USB%20IAD%29.%20How&FolderCTID=0x01200200770978C69A1141439FE559EB459D7580009C4E14902C3CDE46A77F0FFD06506F5B&currentviews=5561]topic, but I spend so much time.Thanks.